Cross-layer scheduling for multiuser H.264 video transmission over wireless networks
Cross-layer scheduling for multiuser H.264 video transmission over wireless networks
复制标题
无线网络上多用户H.264视频传输的跨层调度
DOI:
10.1049/iet-com.2009.0618
复制
发表时间:
2010-05
影响因子:
1.6
通讯作者:
Lijun He
中科院分区:
文献类型:
--
作者:
Fan Li;Guizhong Liu;Lijun He
The problem of the scheduling of the multiuser H.264 video transmission over wireless networks is addressed in this work. A cross-layer algorithm, including the application (APP) layer, the media access control (MAC) layer and the physical (PHY) layer, is presented. More especially, a compressed method is proposed to estimate the video quality contribution caused by each packet in the APP. The objective is to maximising video qualities by satisfying the delay constraint and the fairness among all users. The algorithm is compatible with the emerging wireless standards, such as IEEE 802.16 and high speed downlink packet access (HSDPA). Simulations show that the proposed scheme significantly outperforms the conventional scheduling schemes in terms of received video qualities as well as the fairness properties.
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